b8c51abe69
* Use all free RAM for FreeRTOS heap * Wrap newlib malloc and related functions * Implement calloc
52 lines
1.0 KiB
C
52 lines
1.0 KiB
C
#include <stdlib.h>
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#include <string.h>
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#include <FreeRTOS.h>
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// Override malloc() and free() to use the memory manager from FreeRTOS.
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// According to the documentation of libc, we also need to override
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// calloc and realloc.
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// See https://www.gnu.org/software/libc/manual/html_node/Replacing-malloc.html
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void* malloc(size_t size) {
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return pvPortMalloc(size);
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}
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void* __wrap_malloc(size_t size) {
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return malloc(size);
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}
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void* __wrap__malloc_r(struct _reent* reent, size_t size) {
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(void) reent;
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return malloc(size);
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}
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void free(void* ptr) {
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vPortFree(ptr);
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}
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void __wrap_free(void* ptr) {
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free(ptr);
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}
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void* calloc(size_t num, size_t size) {
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void *ptr = malloc(num * size);
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if (ptr) {
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memset(ptr, 0, num * size);
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}
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return ptr;
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}
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void* __wrap_calloc(size_t num, size_t size) {
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return calloc(num, size);
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}
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void* pvPortRealloc(void* ptr, size_t xWantedSize);
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void* realloc(void* ptr, size_t newSize) {
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return pvPortRealloc(ptr, newSize);
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}
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void* __wrap_realloc(void* ptr, size_t newSize) {
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return realloc(ptr, newSize);
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}
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